Publicação: Finite elements with embedded multiple cracks and non-uniform discontinuity modes
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Recently, several formulations of finite elements embedded with displacement discontinuity have been proposed to describe crack propagation independent of the element boundaries. By construction, these approaches are limited to represent a single crack in the element with uniform discontinuity modes (opening and sliding). This paper presents a procedure to embed displacement discontinuities in quadrilateral finite elements that is suitable for incorporating multiple discontinuities or non-uniform discontinuity modes. These capabilities may be essential to predict failure in reinforced concrete. Basic tests are performed to access the effectiveness of the proposed technique.
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Latin American Journal of Solids and Structures, v. 2, n. 1, p. 65-76, 2005.
